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Ductile Iron Threaded Floor Flange

Threaded floor flange of ductile cast iron for securing pipes to floors. HTS 7307.19.30.60 for this threaded ductile type despite flange name. Used in drainage or exposed piping.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.6%+75.0%80.6%
🇲🇽Mexico5.6%+50.0%55.6%
🇨🇦Canada5.6%+50.0%55.6%
🇩🇪Germany5.6%+50.0%55.6%
🇯🇵Japan5.6%+50.0%55.6%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7307.19.30Same rate: 80.6%

If companion flange (bolted)

Bolted flanges specifically excluded from threaded.

7307.99.50Lower: 79.3% vs 80.6%

If stamped steel

Stamped flanges not cast iron.

7308.90.95Lower: 75% vs 80.6%

If pipe support

Certain floor fittings as pipe supports.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Clarify 'threaded' vs 'hub' flanges to avoid 7307.19.30.90

• Include slot details for floor fastening

• Coatings like tar epoxy declared separately